diff --git a/doc/common/apidoc/index.json b/doc/common/apidoc/index.json
index f81c27214..98c750c2c 100644
--- a/doc/common/apidoc/index.json
+++ b/doc/common/apidoc/index.json
@@ -19888,7 +19888,7 @@
                             "optional": true,
                             "readonly": false,
                             "type": "number",
-                            "default": "3000",
+                            "default": "",
                             "description": "Delay in milliseconds to close the message automatically."
                         },
                         {